86790417

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{20359}}^1$

素因数の和:20405

約数の個数: 24

約数和(自身を含む): 139262400

約数和(自身を除く): 52471983

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 20359, 61077, 142513, 427539, 590411, 997591, 1771233, 2992773, 4132877, 12398631, 28930139, 86790417]

約数ペア:

[(1, 86790417), (3, 28930139), (7, 12398631), (21, 4132877), (29, 2992773), (49, 1771233), (87, 997591), (147, 590411), (203, 427539), (609, 142513), (1421, 61077), (4263, 20359)]